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__________ is produced using Polycondensation reaction.

A. Polythene

B. Phenol formaldehyde

C. Poly vinyl chloride

D. None of these

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  2. Main constituent of dolomite is
  3. Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion…
  4. Common salt is generally not produced commonly by __________ method from brine.
  5. Massecuite is a terminology used in the __________ industry.
  6. __________ acid is an unsaturated fatty acid.
  7. Pick out the wrong statement.
  8. Molecular weight of plastics ranges from
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  10. 10% oleum comprises of 10% free
  11. Metallic soap is __________ salt of fatty acids.
  12. The catalyst used in the manufacture of DDT is
  13. Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic…
  14. Calcination of limestone is not done in a __________ kiln for producing lime.
  15. Yellow phosphorus is transported under
  16. The biochemical treatment applied to sewage effluents is a process of
  17. Conversion of CO to CO2 by steam in presence of a catalyst is called
  18. Alcohol percentage in molasses may be around
  19. Which of the following is an additional step in the manufacture of paper from bagasse as compared to…
  20. Higher viscosity index of a lubricating oil denotes
  21. Chrome tanning and vegetable tanning are done for
  22. Low purity oxygen is used for
  23. Esterification reaction
  24. Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of
  25. Dacron is a
  26. Deacon's method is used for the manufacture of
  27. Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.
  28. Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure…
  29. Oil produced by solvent extraction
  30. Calcination of gypsum produces